@import '~antd/dist/antd.less';
.App {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.header_bar {
  height: 60px;
  display: flex;
  align-items: center;
  background: #b2b2b2;
}
.header_bar > button {
  margin-left: 20px;
}

.app_contianer {
  flex: 1;
}

.p20 {
  padding: 20px;
}
